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syscall: support O_SYNC flag for os.OpenFile on windows #64027

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syscall: support O_SYNC flag for os.OpenFile on windows #64027

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syscall: support O_SYNC flag for os.OpenFile on windows
callthingsoff Nov 9, 2023
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callthingsoff Nov 9, 2023
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callthingsoff Nov 15, 2023
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callthingsoff Nov 15, 2023
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4 changes: 4 additions & 0 deletions src/syscall/syscall_windows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,10 @@ func Open(path string, mode int, perm uint32) (fd Handle, err error) {
// Necessary for opening directory handles.
attrs |= FILE_FLAG_BACKUP_SEMANTICS
}
if mode&O_SYNC != 0 {
const _FILE_FLAG_WRITE_THROUGH = 0x80000000
attrs |= _FILE_FLAG_WRITE_THROUGH
}
return CreateFile(pathp, access, sharemode, sa, createmode, attrs, 0)
}

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